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galina1969 [7]
2 years ago
13

IMPORTANT PLEASE I NEED NOW:Find the area of each face of the cube whose volume is 729 cm

Mathematics
2 answers:
vivado [14]2 years ago
8 0

Answer:

81

Step-by-step explanation:

square root of 729= 9

9×9=81

Delvig [45]2 years ago
5 0

Answer:

Step-by-step explanation:

Formula of Volume= a^{3} - a = side

Therefore since the volume is given you just need to find the side.

729=a^{3} = \sqrt[3]{729} = a

            = 9 = a

Now you know that 9 is the side, so using that find the area of one face-

Area of a square= 9 x 9 = 81cm^{2}

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Write an inequality for each of the following:
laila [671]

Answer:

1.\ \ \frac{x}{24}

Step-by-step explanation:

1. let x be the unknown number.

-Given that 24 divided by x is less than x is less than 7 means that 7 is greater than the quotient thereof.

-The in equality is written as:

\frac{x}{24}

2.Let the amount Chris has be y.

-At most is a term of inclusivity implying less than or equal to a specified quantity.

-$5 less than twice y will therefore be represented as:

2y-5\leq 124

3. It is clear that the minimum age to have a drivers license is 16.

-Let x be the age of a driver whose age is unknown.

-It is therefore obvious that all drivers in Ohio are either exactly 16 years or older.

-Our inequality symbol is that of equal to or greater than, thus:

x\geq 16

4. let x be the number of CD's bought and y of DVD's bought.

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-They can only buy a number of units whose price is less than or exactly $65, thus:

14x+16y\leq 65

7 0
3 years ago
A picture is 10 inches by 14inches. The frame measures 2 inches longer and wider than the painting. What is the area of the fram
kow [346]

Answer:

52

Step-by-step explanation:

so first you do 10x14=140

next you have to do 12x16=192

then u have to do 192-140=52in squared

4 0
1 year ago
Solve for the specified variable:<br> c(a+b)-d=f for a
Dima020 [189]

Answer:

a = \frac{f+d}{c} - b

Step-by-step explanation:

Given

c(a + b) - d = f ( add d to both sides )

c(a + b) = f + d ( divide both sides by the multiplier c )

a + b = \frac{f+d}{c} ( subtract b from both sides )

a = \frac{f+d}{c} - b

6 0
3 years ago
Read 2 more answers
Please just give me a good explanation on how to reflect the x-axis and y-axis so I can learn it on my own as well as answering
MrMuchimi

Answer:

Alright! BTW, the answer to the question is D :)

Step-by-step explanation:

Reflecting across the x-axis, the x-coordinate ALWAYS remains the same, but the y-coordinate is transformed into its opposite. If you forget this, fold along the x line, and you should be able to figure it out. Reflecting across the y-axis, the y-coordinate ALWAYS remains the same, but the x-coordinate is transformed into its opposite. If you forget this, fold along the y line, and you should be able to figure it out.

Hope I helped!

6 0
2 years ago
1. A bakery packages 96 boxes of muffins today. The bakery sells 4 sizes of boxes of muffins. The table shows how many muffins a
Vadim26 [7]

Answer:1000

Step-by-step explanation:

Yes

8 0
2 years ago
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